First commit

node_modules/find-my-way/test/constraint.custom-versioning.test.js

@@ -0,0 +1,131 @@
+'use strict'
+
+const t = require('tap')
+const test = t.test
+const FindMyWay = require('..')
+const noop = () => { }
+
+const customVersioning = {
+  name: 'version',
+  // storage factory
+  storage: function () {
+    let versions = {}
+    return {
+      get: (version) => { return versions[version] || null },
+      set: (version, store) => { versions[version] = store },
+      del: (version) => { delete versions[version] },
+      empty: () => { versions = {} }
+    }
+  },
+  deriveConstraint: (req, ctx) => {
+    return req.headers.accept
+  }
+}
+
+test('A route could support multiple versions (find) / 1', t => {
+  t.plan(5)
+
+  const findMyWay = FindMyWay({ constraints: { version: customVersioning } })
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, noop)
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, noop)
+
+  t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=2' }))
+  t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=3' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=4' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=5' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=6' }))
+})
+
+test('A route could support multiple versions (find) / 1 (add strategy outside constructor)', t => {
+  t.plan(5)
+
+  const findMyWay = FindMyWay()
+
+  findMyWay.addConstraintStrategy(customVersioning)
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, noop)
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, noop)
+
+  t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=2' }))
+  t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=3' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=4' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=5' }))
+  t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=6' }))
+})
+
+test('Overriding default strategies uses the custom deriveConstraint function', t => {
+  t.plan(2)
+
+  const findMyWay = FindMyWay({ constraints: { version: customVersioning } })
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, (req, res, params) => {
+    t.equal(req.headers.accept, 'application/vnd.example.api+json;version=2')
+  })
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, (req, res, params) => {
+    t.equal(req.headers.accept, 'application/vnd.example.api+json;version=3')
+  })
+
+  findMyWay.lookup({
+    method: 'GET',
+    url: '/',
+    headers: { accept: 'application/vnd.example.api+json;version=2' }
+  })
+  findMyWay.lookup({
+    method: 'GET',
+    url: '/',
+    headers: { accept: 'application/vnd.example.api+json;version=3' }
+  })
+})
+
+test('Overriding default strategies uses the custom deriveConstraint function (add strategy outside constructor)', t => {
+  t.plan(2)
+
+  const findMyWay = FindMyWay()
+
+  findMyWay.addConstraintStrategy(customVersioning)
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, (req, res, params) => {
+    t.equal(req.headers.accept, 'application/vnd.example.api+json;version=2')
+  })
+
+  findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, (req, res, params) => {
+    t.equal(req.headers.accept, 'application/vnd.example.api+json;version=3')
+  })
+
+  findMyWay.lookup({
+    method: 'GET',
+    url: '/',
+    headers: { accept: 'application/vnd.example.api+json;version=2' }
+  })
+  findMyWay.lookup({
+    method: 'GET',
+    url: '/',
+    headers: { accept: 'application/vnd.example.api+json;version=3' }
+  })
+})
+
+test('Overriding custom strategies throws as error (add strategy outside constructor)', t => {
+  t.plan(1)
+
+  const findMyWay = FindMyWay()
+
+  findMyWay.addConstraintStrategy(customVersioning)
+
+  t.throws(() => findMyWay.addConstraintStrategy(customVersioning),
+    'There already exists a custom constraint with the name version.'
+  )
+})
+
+test('Overriding default strategies after defining a route with constraint', t => {
+  t.plan(1)
+
+  const findMyWay = FindMyWay()
+
+  findMyWay.on('GET', '/', { constraints: { host: 'fastify.io', version: '1.0.0' } }, () => {})
+
+  t.throws(() => findMyWay.addConstraintStrategy(customVersioning),
+    'There already exists a route with version constraint.'
+  )
+})